Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
cach thoi » cac thoi, cach thuc, cach noi
luc nganh » luc ngan, chuc nganh, luat nganh
khong hoc » khung hoc, thong hoc, khong thuoc
thu cach » thuc cach, thu canh, tu cach
thoi dap » hoi dap, thoi dai, thi dap
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
nhan tai » hang tai, van tai
toan tai » toan tap, doanh tai, toan ban
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu cach thoi dap, nghien cuu dong luc nganh khong hoc ma hoi va ((nhan tai) OR (toan tai))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu cach thoi dap, nghien cuu dong luc nganh khong hoc ma hoi va ((nhan tai) OR (toan tai))".
• Adding a wildcard symbol may retrieve word variants: thu cach thoi dap, nghien cuu dong luc nganh khong hoc ma hoi va ((nhan tai) OR (toan tai))*.